New email help!!

I have just set up a new gmail account because my Yahoo-based account with AT&T is ending with the cancellation of my home phone.

The problem I am having is importing all my contacts and old mail into the new account. I go to settings, Import Mail and Contact Type in the old address i.e. brooklyn@sbcglobal.net and it then asks for the password.

Then it keeps kicking me back saying Gmail could not identify POP Server. The password should work. Any help in syncing up the two would be appreciated.